CN106100149B - Wireless charging system and wireless charging method - Google Patents
Wireless charging system and wireless charging method Download PDFInfo
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- CN106100149B CN106100149B CN201610688655.1A CN201610688655A CN106100149B CN 106100149 B CN106100149 B CN 106100149B CN 201610688655 A CN201610688655 A CN 201610688655A CN 106100149 B CN106100149 B CN 106100149B
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Abstract
A kind of wireless charging system of present invention proposition and wireless charging method, the wireless charging system includes the wireless transmitting unit and radio receiving unit that electric energy and communication signal transmission can be achieved, wireless transmitting unit can pass through the output voltage gain of detection radio receiving unit interrogation energy in magnetic field, obtain the relative position information between wireless transmitting unit and radio receiving unit, microcontroller in wireless transmitting unit includes judgment module and provides the control module of driving instruction for mobile device, judgment module is for judging reference voltage value and judging the size of voltage value and form judgement signal, judge that signal is sent to control module, control module is according to the movement for judging that signal drives mobile device；Wireless charging method uses above-mentioned wireless charging system, by controlling the movement of wireless transmitting unit, wireless transmitting unit is made to be directed at radio receiving unit.Through the invention, it realizes being automatically aligned to for wireless transmitting unit and radio receiving unit, wireless charging is made to reach maximal efficiency.
Description
Technical field
The invention belongs to wireless charging field more particularly to a kind of wireless charging systems of achievable maximum charge efficiency.
Background technology
For thinking electric vehicle charging, traditional wired charging method charging time is longer, and general trickle charge needs 6-8
Hour, and driver oneself is needed to operate the process to charge.Since there are high pressures and big electricity in electric vehicle charging process
Stream, exist to personal safety itself it is potential dangerous, in the outdoor charging of rainy days, due to electric leakage may caused by safety
Sex chromosome mosaicism is then more prominent.In addition, due to the battery of current electric vehicle, course continuation mileage is also limited, thus charge frequency compared with
Height starts to charge up be required for artificially plugging charging plug with charging complete every time, these all can feel very inconvenient using family.
Compared to traditional wired charging pattern, wireless charging pattern has the advantages that very much：As charging equipment takes up little area,
The convenience that charges is high, electrically-charging equipment can it is unattended, later maintenance cost is low etc., and advantages are compared under identical floor space
It charges in traditional charging pile, the electric vehicle quantity that can be charged using wireless charging is promoted, and space utilization is increased
Rate；And has the function of energy saving, environmental protection simultaneously.Ripe, the nothing with the continuous development of electric energy wireless transmission technology
The power that micro USB electric system can export constantly is promoted, and the efficiency of wireless power is also being continuously improved, and is supplied relative to traditional wire
For electricity, the Heterosis such as convenience and safety increasingly protrude.Therefore, application of the wireless charging on electric vehicle
It will be following inevitable development trend and trend.
In order to solve the alignment issues of wireless charging, industry generally uses two methods.First, passing through pool using driver
The help of vehicle system makes the transmitting coil of the receiving coil and ground on vehicle be aligned.This method needs special vision to be aligned
System, and driver charges that the behavior being aligned is also very complicated, and use is very inconvenient, and also increases vehicle every time
The cost of itself.Another method is to increase the number of transmitting end-coil, and the coil of transmitting terminal is the coil that multiple coils are constituted
Group, system can allow the transmitting coil near receiving coil to work according to the parking place of electric vehicle, certain to realize
The alignment of degree.But this method needs to increase considerably the number of coil, cost can be caused to sharply increase, and due to
The place that coil is not covered with also has blind area presence, and there is also comparable limitations for this method.
Invention content
To solve the above problems, the present invention provides wireless charging system and wireless charging method, which passes through wireless
The movement of transmitter unit realizes the automatic positioning of wireless transmitting unit and radio receiving unit, wireless charging is made to reach maximum effect
Rate.
In order to achieve the above object, the technical solution adopted by the present invention is：
A kind of wireless charging system, includes the wireless transmitting unit of connection power grid, and can be realized with wireless transmitting unit
The radio receiving unit of electric energy and communication signal transmission, radio receiving unit are installed in load,
Wireless transmitting unit includes transmitting terminal and can drive the movement of wireless transmitting unit movement under transmitting terminal control
Device；Transmitting terminal includes the transmitting coil that can emit electric energy, and the communication that can receive communication signal in radio receiving unit receives mould
Block, and the transmitting terminal microcontroller that the signal that receives in communication receiving module can be handled；
Radio receiving unit includes the receiving coil that can receive transmitting coil electric energy, can acquire receiving coil from electromagnetic field
The sampling module for the output voltage signal that interrogation energy obtains, can be sent to communication by collected voltage signal in sampling module
The communication transmitting module of receiving module connects the receiving terminal microcontroller of sampling module, and can be that the DC/DC that load is charged is steady
Die block, the collected voltage signal of sampling module are divided into reference voltage signal and judge voltage signal, judge that voltage signal is
Voltage acquisition signal next time relative to reference voltage signal；
Wherein, transmitting terminal microcontroller includes judgment module and can provide the control mould of driving instruction for mobile device
Block, judgment module judge that signal is sent to for judging reference voltage value and judging the size of voltage value and form judgement signal
Control module, control module is according to judging that signal sends out control and drive signal, to drive the movement of mobile device.
As advanced optimizing for the present invention, wireless transmitting unit further includes the transmitting terminal rectification filtering module being sequentially connected
And inverter circuit；Radio receiving unit further includes receiving terminal rectification filtering module, and receiving terminal rectification filtering module is connected to reception
The output end of coil.
A kind of wireless charging method is included the following steps using above-mentioned wireless charging system：
The DC/DC modules for starting wireless charging system and being latched in wireless transmitting unit are installed on wirelessly connecing in load
It receives unit and obtains the voltage signal after receiving terminal rectification, sampling module acquires the voltage signal, which passes through receiving terminal
Microcontroller and wireless communication transmitting module are converted and are sent to the wireless communication receiver module of transmitting terminal；
The communication receipt module of transmitting terminal receives the initial voltage value and is sent to transmitting terminal microcontroller, and transmitting terminal is micro-
Judgment module in controller is set as the initial voltage value to judge voltage value and forms judgement signal, and control module is according to sentencing
Break signal driving mobile device is moved to default moving direction according to default displacement distance；
Wireless transmitting unit sends electric energy, the receiving coil in radio receiving unit at new position by transmitting coil
Receive the transmission electric energy, sampling module acquires the rectified voltage signal that receiving coil pickup magnetic field energy is formed, signal warp
It crosses the conversion of receiving terminal microcontroller and is sent to transmitting terminal；
The communication receipt module of transmitting terminal receives the voltage signal and is sent to transmitting terminal microcontroller, transmitting terminal micro-control
The voltage value of the secondary acquisition is set as judging voltage value, and multilevel iudge voltage value and reference voltage by the judgment module in device processed
The size formation of value judges that signal is sent to control module, and then judgment module will determine that voltage value assignment to reference voltage value shape
The reference voltage value of Cheng Xin；
Voltage value is less than when judging voltage value on the basis of judging signal, then control module drives mobile device to default shifting
It is moved according to default displacement distance in dynamic direction；Voltage value then controls mould not less than when judging voltage value on the basis of judging signal
Block driving mobile device is moved to the reversed direction of default moving direction according to default displacement distance；
The step of repeatedly judgment module and control module act in the acquisition of above-mentioned sampling module, transmitting terminal microcontroller is worked as
When judging that voltage value is nearly equal to judge voltage value on the basis of signal, then control module driving mobile device stops movement.Simultaneously
The DC/DC modules in wireless transmitter receiver unit are unlocked, system worked well proceeds by normal wireless energy transfer.
Compared with prior art, the advantages and positive effects of the present invention are：
1, wireless charging system of the invention obtains output voltage by detecting receiving unit interrogation energy in electromagnetic field
Gain obtains the relative position information of wireless transmitting unit and radio receiving unit, and this method has simple, convenient, and reliable
The advantages of, avoid the additional equipment (such as camera of high-resolution, high-precision sensor etc.) for increasing excessive costliness.
2, wireless charging method of the invention can pass through calculation in the case where not knowing accurate output voltage gain
The maximum output gain point of method Automatic-searching has better so that it is determined that for the alignment position of transmitter unit and receiving unit
Adaptability and versatility.
3, by mobile wireless transmitter unit, rather than mobile wireless receiving unit (being usually connected with load or equipment),
Better user experience can be obtained, artificial too many intervention is avoided the need for, thoroughly realizes system intelligent.
4, precisely aligning for wireless charging system may be implemented in the present invention, maximum system effectiveness can be obtained, for big
For power system, there is apparent advantage on effects of energy conservation and environmental protection.
When the wireless charging system of the present invention is applied to the charging of electric vehicle, it is applicable not only to described previously will wirelessly connect
Front or rear side that unit is installed on electric vehicle are received, the arbitrary position such as including bottom can also be installed on, and is only needed more
Change the installation form and mode of equipment.In addition wireless charging system and method for the invention can be applied not only to electronic vapour
In the wireless charging of vehicle, it can also be incorporated in all kinds of electrical equipments such as industrial robot, extra large tooling be standby, above application field
It should be the protection domain of this patent.
Description of the drawings
Fig. 1 is the schematic diagram of the distance between transmitting coil and receiving coil and transmission electric energy size；
Fig. 2 is the block diagram of wireless charging system of the present invention；
Fig. 3 is the schematic diagram using the electric vehicle of wireless charging system of the present invention；
Fig. 4 is the embodiment flow chart of wireless charging method of the present invention.
In above each figure：1, electric vehicle；2, Parking Stall；3, radio receiving unit；4, wireless transmitting unit.
Specific implementation mode
In the following, the present invention is specifically described by illustrative embodiment.It should be appreciated, however, that not into one
In the case of step narration, element, structure and features in an embodiment can also be advantageously incorporated into other embodiment
In.
Before illustrating to the present invention, the operation principle of the present invention is illustrated further combined with Fig. 1, is shown in Fig. 1, works as transmitting
When coil is aligned with receiving coil, the voltage value that receiving coil receives is maximum, and when distance is closer, then receiving voltage value is got over
Greatly.Specifically, Fig. 1 is wireless transmitting terminals and alignment distance and the output in one direction of wireless receiving end of wireless charging system
The relational graph of voltage.When the wireless transmitting terminals of wireless charging system are aligned in the direction of the x-axis with wireless receiving end, i.e., in X
At 0 point of axis, radio energy transmission system can obtain maximum voltage gain, imply that corresponding to output voltage (usually receives
DC voltage Vrect after the rectification of side) pole maximum value.Accordingly, when pick-up voltage corresponds to pole maximum value, it is possible to determine that
It is aligned in this direction for transmitting coil and receiving coil.It is whole when transmitting coil and receiving coil center are aligned relatively
A radio energy transmission system can obtain maximal efficiency, and this point is for the high-power wireless electric energy transmission system such as electric vehicle
Efficiency require it is extremely important.
It is the block diagram of wireless charging system of the present invention referring to Fig. 2.As shown in Fig. 2, the wireless charging system of the present invention
System includes the wireless transmitting unit of electric energy being received from power grid, and can realize electric energy and communication signal with wireless transmitting unit
The radio receiving unit of transmission, radio receiving unit are installed in load to be charged, and wireless transmitting unit receives electric energy in power grid,
It is converted into the alternating current for meeting rechargeable standard by electric energy conversion module, and the alternating current is emitted to radio receiving unit, nothing
Line receiving unit is converted into the electric energy suitable for load requirement by the electric energy conversion module at wireless receiving end, is load to be charged
Charging.
Continue as shown in Fig. 2, wireless transmitting unit includes transmitting terminal and can drive wireless transmission list under transmitting terminal control
The mobile mobile device of member；Transmitting terminal includes the transmitting coil that can emit electric energy, can receive communication signal in radio receiving unit
Communication receiving module, and the transmitting terminal microcontroller that the signal that receives in communication receiving module can be handled；Nothing
Line receiving unit includes the receiving coil that can receive transmitting coil electric energy, can acquire receiving coil interrogation energy from electromagnetic field and obtain
Collected voltage signal in sampling module can be sent to communication receiving module by the sampling module of the output voltage signal obtained
Transmitting module is communicated, the receiving terminal microcontroller of sampling module is connected, and can be the DC/DC modules of load charging.Sample mould
The collected voltage signal of block is divided into reference voltage signal and judges voltage signal, judges voltage signal for relative to reference voltage
The voltage acquisition signal next time of signal, i.e. reference voltage signal and judge voltage signal be sampling module acquisition voltage letter
Number, but reference voltage signal is the last voltage acquisition value for judging voltage signal.
By the setting of receiving coil in transmitting coil in above-mentioned wireless transmitting unit and radio receiving unit, nothing is realized
The wireless transmission of electric energy between line transmitter unit and radio receiving unit；Transmitting module and wireless hair are communicated in radio receiving unit
It penetrates in unit and communicates the setting of receiving module, realize feedback of the communication signal from radio receiving unit to wireless transmitting unit,
But it should be noted that above-mentioned communication transmitting module is with receiving module is communicated, two-way signaling transmission can be achieved in it herein, and
Non- single signal transmits.
Above-mentioned transmitting terminal microcontroller includes judgment module and can provide the control module of driving instruction for mobile device,
Judgment module judges that signal emits to control for judging reference voltage value and judging the size of voltage value and form judgement signal
Module, control module is according to the direction for judging that signal drives the movement of mobile device.
With continued reference to Fig. 2, wireless transmitting unit further includes transmitting terminal electric energy conversion module, and transmitting terminal electric energy conversion module connects
It is connected between power grid output end and transmitting coil, transmitting terminal electric energy conversion module includes the transmitting terminal rectifying and wave-filtering mould being sequentially connected
Block and inverter circuit；Radio receiving unit further includes receiving terminal electric energy conversion module, and receiving terminal electric energy conversion module includes receiving
Hold rectification filtering module, and the DC/DC Voltage stabilizing modules of control bearing power output, the unlock of controllable DC/DC modules with close
Lock, receiving terminal rectification filtering module are connected to the output end of receiving coil.In addition, above-mentioned receiving terminal microcontroller electrical connection sampling
The analog voltage signal acquired in sampling module is converted to digital voltage signal by module.
As long as in addition, mobile device in the present invention its can realize mobile, do not limit and use shifting in the prior art
Motivation structure, but in order to make the present invention have more practicability, the mobile device being explained of illustrating is as follows, mobile device includes can
The driver of transmitting terminal microcontroller drive signal is received, and the lead screw rotated by driver control, transmitting coil are set in
On lead screw, lead screw rotation drives the movement of transmitting coil.
The wireless charging system of the present invention, has a wide range of application, and is applicable to electric vehicle, industrial machine using wireless charging
Device people, electrocar etc. are described as follows below by taking the charging of electric vehicle as an example：
When load to be charged is electric vehicle, radio receiving unit is installed on the non-metallic material of electric vehicle front end
At car plate.At this point, it is preferred that receiving coil is identical as the size of car plate, i.e., car plate covering receiving coil goes out referring to Fig. 3 for example
Electric vehicle charge schematic diagram.As shown in figure 3, radio receiving unit 3 is installed at the car plate of electric vehicle 1, wireless transmission
Unit 4 is installed on the front of Parking Stall 2, i.e., when electric vehicle is stopped car plate to direction, electric vehicle 1 parking to stopping
After putting parking stall 2, driver can arbitrarily park herein, and the center line for not limiting electric vehicle 1 is had at the center for parking parking stall 2
Place, the electric vehicle to come to a complete stop start wireless charging system, DC/ are latched first in the radio receiving unit 3 in wireless charging system
DC modules prevent from being constantly in charged state during wireless transmitting unit is directed at electric vehicle, and then sampling module acquires
The rectified voltage signal that receiving coil interrogation energy from magnetic field obtains, the voltage signal is by receiving terminal microcontroller
It is sent to transmitting terminal after reason, transmitting terminal driving mobile device movement after module and drive module judged, so that wireless transmission
Unit 4 is directed at the radio receiving unit 3 of electric vehicle.
In addition, when above-mentioned load to be charged is electric vehicle, radio receiving unit is also mountable to the bottom of electric vehicle.
Although above-mentioned specifically illustrate the installation site of radio receiving unit in the course of the description, the present invention is for wireless receiving
The specific installation site of unit does not limit.
It is the embodiment flow chart of wireless charging method of the present invention referring to Fig. 4.As shown in figure 4, the present invention also provides one
Kind wireless charging method, the wireless charging method use above-mentioned wireless charging system, specifically include following steps：
The DC/DC modules for starting wireless charging system and being latched in wireless transmitting unit are installed on wirelessly connecing in load
It receives unit and obtains the voltage signal after receiving terminal rectification, it is micro- by receiving terminal that sampling module acquires the voltage signal voltage signal
Controller and wireless communication transmitting module conversion are sent to the wireless communication receiver module of transmitting terminal；
The communication receipt module of transmitting terminal receives the initial voltage value and is sent to transmitting terminal microcontroller, and transmitting terminal is micro-
Judgment module in controller is set as the initial voltage value to judge voltage value and forms judgement signal, and control module is according to sentencing
Break signal driving mobile device move to default moving direction according to default displacement distance, it should be noted that herein preset
Moving direction refers to the default moving direction of setting when making wireless transmitting unit move；And default displacement distance refers to then nothing
The step-length that line transmitter unit is moved under control signal each time；
Wireless transmitting unit sends electric energy, the receiving coil in radio receiving unit at new position by transmitting coil
Receive the transmission electric energy, sampling module acquires the rectified voltage signal of electric energy formation, which passes through receiving terminal microcontroller
The wireless communication receiver module of transmitting terminal is sent to wireless communication transmitting module conversion；
The communication receipt module of transmitting terminal receives the voltage signal and is sent to transmitting terminal microcontroller, transmitting terminal micro-control
The voltage value of the secondary acquisition is set as judging voltage value, and multilevel iudge voltage value and reference voltage by the judgment module in device processed
The size formation of value judges that signal is sent to control module, and then judgment module will determine that voltage value assignment to reference voltage value shape
The reference voltage value of Cheng Xin；
Voltage value is less than when judging voltage value on the basis of judging signal, then control module drives mobile device to default shifting
It is moved according to default displacement distance in dynamic direction；Voltage value then controls mould not less than when judging voltage value on the basis of judging signal
Block driving mobile device is moved to the reversed direction of default moving direction according to default displacement distance；
The step of repeatedly judgment module and control module act in the acquisition of above-mentioned sampling module, transmitting terminal microcontroller,
When voltage value is nearly equal to judge voltage value on the basis of judging signal, stop movement, and unlock DC/DC, system wireless energy
Amount transmission normal work.
In order to further illustrate above method step, below we lift a specific embodiment and illustrate：
It is the embodiment flow chart of wireless charging method of the present invention referring to Fig. 4.It is assumed that wireless transmitting unit
The direction moved to radio receiving unit is X-direction, and enables and preset moving direction as X-axis positive direction, and default displacement distance is
Lcm, the collected receiving coil voltage of sampling module is Vrect, according to above-mentioned wireless charging method, the specific side of the present embodiment
Steps are as follows for method：
Start wireless charging system, be latched DC/DC modules, will not be load charging in this way, during wireless charging.
The voltage signal of sampling module acquisition in radio receiving unit is denoted as Vrect, and another Vrect=V0, V0 at this
The initial voltage value obtained when as starting wireless charging system；
By communicating transmitting module and communicating the effect of receiving module, Vrect is sent to transmitting terminal microcontroller, is sent out
It penetrates end microcontroller and controls mobile device to the positive direction of X-axis movement Lcm；
Because the position of wireless transmitting unit changes, therefore, receiving coil will receive a new voltage again
Signal, the new voltage signal are denoted as V1 by the acquisition of sampling module, meanwhile, Vj=Vrect, Vrect=V1 are enabled, herein
Voltage on the basis of Vj is indicated；Vrect expressions judge signal；
Judgment module judges the size of Vj and Vrect：
When Vj is less than Vrect, transmitting terminal microcontroller controls mobile device and moves Lcm to X-axis positive direction, because of wireless hair
The position for penetrating unit changes, and receiving coil receives a new voltage signal again, and the new voltage signal is by adopting
The acquisition of egf block is denoted as Vn (n=2,3,4,5 ...), meanwhile, Vj=Vrect, Vrect=Vn are enabled, what Vj herein was indicated
On the basis of voltage；Vrect expressions judge signal；Judgment module further judges the size of Vj and Vrect, when Vj is less than Vrect
When, it repeats above-mentioned transmitting terminal microcontroller and controls mobile device to X-axis positive direction movement Lcm, and acquire new voltage signal；When
When Vj is more than Vrect, transmitting terminal microcontroller controls mobile device and moves Lcm to X-axis negative direction.
When Vj is not less than Vrect, transmitting terminal microcontroller controls mobile device and moves Lcm to X-axis negative direction, because wireless
The position of transmitter unit changes, and receiving coil receives a new voltage signal again, which passes through
The acquisition of sampling module is denoted as Vn (n=2,3,4,5 ...), meanwhile, Vj=Vrect, Vrect=Vn are enabled, Vj herein is indicated
On the basis of voltage；Vrect expressions judge signal；Judgment module further judges the size of Vj and Vrect.
When above-mentioned Vrect and Vj approximately equals, that is, think that transmitting coil and receiving coil are aligned in the X-axis direction.
After wireless transmitting unit is aligned with radio receiving unit, DC/DC modules are unlocked, are charged for load.
In addition, in the present invention, if wireless transmitting unit only cannot meet wireless transmission list by a mobile direction
Alignment between member and radio receiving unit, can be multi-direction to move respectively by resetting direction, to realize each direction
Alignment, and then realize that wireless transmitting unit is optimal distance in all directions.
Claims (1)
1. a kind of wireless charging method, using wireless charging system, which includes the wireless transmission for connecting power grid
Unit, and the radio receiving unit of electric energy and communication signal transmission, radio receiving unit peace can be realized with wireless transmitting unit
Loaded in load, wireless transmitting unit includes transmitting terminal and can drive the shifting of wireless transmitting unit movement under transmitting terminal control
Dynamic device；Transmitting terminal includes the transmitting coil that can emit electric energy, and the communication that can receive communication signal in radio receiving unit receives
Module, and the transmitting terminal microcontroller that the signal that receives in communication receiving module can be handled；Radio receiving unit
Receiving coil including can receive transmitting coil electric energy can acquire the output electricity that receiving coil interrogation energy from electromagnetic field obtains
Collected voltage signal in sampling module can be sent to the communication transmitting mould of communication receiving module by the sampling module for pressing signal
Block connects the receiving terminal microcontroller of sampling module, and can be the DC/DC Voltage stabilizing modules of load charging, sampling module acquisition
To voltage signal be divided into and reference voltage signal and judge voltage signal, judge voltage signal for relative to reference voltage signal
Voltage acquisition signal next time；Wherein, transmitting terminal microcontroller includes judgment module and can provide driving for mobile device and refer to
The control module of order, judgment module judge for judging reference voltage value and judging the size of voltage value and form judgement signal
Signal is sent to control module, and control module is according to judging that signal sends out control and drive signal, to drive the shifting of mobile device
It is dynamic；It is characterized in that：The wireless charging method includes the following steps：
The DC/DC modules for starting wireless charging system and being latched in radio receiving unit, the wireless receiving list being installed in load
Member obtains the voltage signal after receiving terminal rectification, and sampling module acquires the voltage signal, which passes through receiving terminal micro-control
Device processed and wireless communication transmitting module are converted and are sent to the wireless communication receiver module of transmitting terminal；
The communication receipt module of transmitting terminal receives the voltage signal and is sent to transmitting terminal microcontroller, transmitting terminal microcontroller
In judgment module be set as the voltage signal to judge voltage value and form judgement signal, control module according to judge signal drive
Dynamic mobile device is moved to default moving direction according to default displacement distance；
Wireless transmitting unit sends electric energy at new position by transmitting coil, and the receiving coil in radio receiving unit receives
The transmission electric energy, the magnetic field energy of sampling module acquisition receiving coil pickup simultaneously form rectified voltage signal, which passes through
The conversion of receiving terminal microcontroller is sent to transmitting terminal；
The communication receipt module of transmitting terminal receives the voltage signal and is sent to transmitting terminal microcontroller, transmitting terminal microcontroller
In judgment module the voltage signal of the acquisition is set as to judge voltage value, and multilevel iudge voltage value and reference voltage value
Size formation judge that signal is sent to control module, then judgment module will determine that voltage value assignment to reference voltage value is formed
New reference voltage value；
Voltage value is less than when judging voltage value on the basis of judging signal, then control module drives mobile device to default movement side
It is moved to according to default displacement distance；Voltage value is not less than when judging voltage value on the basis of judging signal, then control module is driven
Dynamic mobile device is moved to the reversed direction of default moving direction according to default displacement distance；
The step of judgment module and control module act in the acquisition of above-mentioned sampling module, transmitting terminal microcontroller is repeated, when sentencing
When voltage value is nearly equal to judge voltage value on the basis of break signal, then control module driving mobile device stops movement, solves simultaneously
The DC/DC modules in wireless transmitter receiver unit are locked, system proceeds by normal wireless energy transfer.
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| CN201610688655.1A CN106100149B (en) | 2016-08-17 | 2016-08-17 | Wireless charging system and wireless charging method |
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| CN201610688655.1A CN106100149B (en) | 2016-08-17 | 2016-08-17 | Wireless charging system and wireless charging method |
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| CN106451704A (en) * | 2016-12-05 | 2017-02-22 | 青岛鲁渝能源科技有限公司 | Wireless charging system and wireless charging method applied to mobile terminal |
| US10622846B2 (en) * | 2017-02-17 | 2020-04-14 | Hyundai Motor Company | Method and apparatus for position alignment using low-frequency antennas in wireless power transfer system |
| CN107139745A (en) * | 2017-04-27 | 2017-09-08 | 深圳市泰金田科技有限公司 | The non-contact charger and charging payment methods of electric car |
| CN109149731A (en) * | 2017-06-19 | 2019-01-04 | 北京中诺电力工程有限公司 | A kind of wireless charging circuit for lamp controller |
| CN107272712A (en) * | 2017-08-18 | 2017-10-20 | 广东工业大学 | A kind of mobile robot and coil alignment method, the device towards mobile robot |
| CN107546822A (en) * | 2017-09-21 | 2018-01-05 | 南方科技大学 | A kind of robot battery group charging device, method and computer-readable recording medium |
| CN107707004B (en) * | 2017-10-30 | 2020-08-11 | 广东工业大学 | Wireless charging method and system |
| CN109755976B (en) * | 2017-11-03 | 2020-09-18 | 北京小米移动软件有限公司 | Wireless charging method, device and storage medium |
| CN109067020A (en) * | 2018-08-01 | 2018-12-21 | 努比亚技术有限公司 | Registration process method, terminal device and the storage medium of wireless charging |
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| CN111371130A (en) * | 2018-12-07 | 2020-07-03 | 深圳迈瑞生物医疗电子股份有限公司 | Wireless power supply equipment, method and electronic equipment |
| TWI699067B (en) * | 2018-12-19 | 2020-07-11 | 盛群半導體股份有限公司 | Wireless power transmitting apparatus and pot thereof |
| CN109768629B (en) * | 2019-01-30 | 2021-07-06 | 青岛鲁渝能源科技有限公司 | Unmanned aerial vehicle charging system and method thereof |
| CN109950980A (en) * | 2019-03-25 | 2019-06-28 | 武汉理工大学 | Autonomous wireless charging platform and control method for unmanned plane |
| CN113328537A (en) * | 2020-02-28 | 2021-08-31 | 华为技术有限公司 | Wireless charging deviation detection method and device and electronic equipment |
| CN112165180B (en) * | 2020-09-30 | 2022-08-30 | 北京理工大学 | Wireless charging system and control method |
| CN113675957A (en) * | 2021-08-23 | 2021-11-19 | 广西大学 | Near-field wireless charging and maximum power tracking control system and method based on position regulation |
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